You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Consciousness,Represn, and Knowledge' by Keith Lehrer and 'Letter to G.H. Schaller' by Baruch de Spinoza
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Reality, or select a subheading: |
| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |